National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Mostly Cloudy

85°F

29°C

Humidity 73%
Wind Speed S 16 G 20 mph
Barometer 29.86 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 18 Jun 11:35 am CDT
Extended Forecast for

4 Miles ESE Thompsonville IL

Lake Wind Advisory until June 18, 07:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory until June 18, 07:00pm

    NOW until 7:00pm Wed

    Lake Wind Advisory

  • Today

    High: 88 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 2am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 70. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Severe
    Thunderstorms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 85. West northwest wind around 7 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 92. South southwest wind 6 to 10 mph.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South wind 5 to 7 mph.

    Low: 75 °F

    Clear

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 1pm and 4pm. Some of the storms could be severe. Partly sunny, with a high near 88. Southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 2am. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a low around 70. West southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 85. West northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Clear, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 10 mph.
Saturday Night
Clear, with a low around 75. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 94. South southwest wind 5 to 7 mph.
Sunday Night
Clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Thompsonville IL
 37.9°N 88.68°W
Last Update:
10:46 am CDT Jun 18, 2025
Forecast Valid:
11am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation